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Unknown Author 
Level X

by T. Schroedel, published on 2010-10-14

The author of the German book "The Art of Deciphering", written 1808 remains unknown. However, the editor signs the preface with a cipher (Semicolon Plus One Triangle Plus Circle Period). Is this the encrypted name of the author?

A solution to this challenge was published on 2016-01-16. Solutions can still be submitted and verified, but no points will be awarded for them.
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